DESIGN :

http://ffffound.com - great website, full of inspiration!

http://yinnyang.co.uk/ -  everything to do with art, fashion, music and design, full of interesting articles!

http://whodesignedit.net/ - design, fashion and photography, the three things I absolutely love.

http://www.facebook.com/sexanddesign?ref=stream - interesting photos/findings

http://www.dandad.org/ - a great organisation which inspires and allows young artists/designers to compete and win amazing awards

http://www.behance.net/ - full of inspirational artists/designers

ILLUSTRATION:

http://illustrationfriday.com/ - an inspirational website, where you can see others illustrations and also submit your own. they give you a different topic every week, which then you can illustrate and share it.

http://fashion-illustrations.tumblr.com/ - a big collection of different fashion illustrations

http://todaysinspiration.blogspot.co.uk/ - blog which includes old illustrations (40s - 60s)

TYPOGRAPHY: 

http://typography-daily.com/

http://typeart.tumblr.com/

http://fuckyeahtypography.tumblr.com/

http://fuckyeahfonts.tumblr.com/

http://www.fridayfonts.com/

Julian Bialowas - a freelance photographer and designer from Canada. 

Beautiful and simple. 

MORE? Have a look at his motivational 365 project, where he posted one photo every day.  http://365q.ca/